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---- importing ----
if string.sub(_VERSION,1,7)=='Lua 5.0' then
-- lua5.0 doesnt have a nice way to do this
lib=loadlib('example.dll','luaopen_example') or loadlib('example.so','luaopen_example')
assert(lib)()
else
-- lua 5.1 does
require('example')
end
-- First create some objects using the pointer library.
print("Testing the pointer library")
a = example.new_intp()
b = example.new_intp()
c = example.new_intp()
example.intp_assign(a,37)
example.intp_assign(b,42)
print(" a = "..tostring(a))
print(" b = "..tostring(b))
print(" c = "..tostring(c))
-- Call the add() function with some pointers
example.add(a,b,c)
-- Now get the result
r = example.intp_value(c)
print(" 37 + 42 = "..r)
-- Clean up the pointers
-- since this is C-style pointers you must clean it up
example.delete_intp(a)
example.delete_intp(b)
example.delete_intp(c)
-- Now try the typemap library
-- This should be much easier. Now how it is no longer
-- necessary to manufacture pointers.
print("Trying the typemap library")
r = example.sub(37,42)
print(" 37 - 42 = "..r)
-- Now try the version with multiple return values
print("Testing multiple return values")
q,r = example.divide(42,37)
print(" 42/37 = "..q.." remainder "..r)
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